Nathan Diegelman, PhD
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 875 Greentree Rd, Pittsburgh, PA 15220
- Practice phone
- Call (800) 295-6598
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics of Pennsylvania, Inc.
Pittsburgh, Pennsylvania
Find Nathan Diegelman's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Nathan Diegelman is a counseling psychologist in Pittsburgh, Pennsylvania
Nathan Diegelman practices at Quest Diagnostics of Pennsylvania, Inc. in Pittsburgh, Pennsylvania.
Nathan Diegelman's NPI, 1396897856, was assigned on January 17, 2007. Nathan Diegelman holds New York license 016721-1.
- NPI
- 1396897856NPI Registry (opens in a new tab)
- NPI enumeration date
- January 17, 2007
- NPI status
- Active
- Practice phone
- (800) 295-6598
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Nathan Diegelman practices at Quest Diagnostics of Pennsylvania, Inc. in Pittsburgh, Pennsylvania
Nathan Diegelman's primary practice is Quest Diagnostics of Pennsylvania, Inc., at 875 Greentree Rd, Pittsburgh, PA 15220 in Allegheny County. The practice phone is (800) 295-6598.
- Quest Diagnostics of Pennsylvania, Inc.875 Greentree Rd, Pittsburgh, PA 15220 · Allegheny CountyPhone(800) 295-6598
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nathan Diegelman is affiliated with 1 site of care and 2 medical groups
Nathan Diegelman's primary practice is Quest Diagnostics of Pennsylvania, Inc. in Pittsburgh, Pennsylvania. The medical group on file is Kaleida Health. Dmand AI also links Nathan Diegelman to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Nathan Diegelman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathan Diegelman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics of Pennsylvania, Inc. | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Nathan Diegelman is one of 69 counseling psychologists in Pennsylvania
Counseling is Nathan Diegelman's primary specialty in the NPI Registry, under taxonomy code 103TC1900X. Nathan Diegelman is licensed in New York.
Specialties and state licenses
- Counseling psychologist, New YorkPrimary
Counseling psychologists near Nathan Diegelman
Counts of counseling psychologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Nathan Diegelman's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Nathan Diegelman's median patient age at 14, with 50% women.
Nathan Diegelman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Sources for Nathan Diegelman's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Nathan Diegelman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathan Diegelman's NPI number?
Nathan Diegelman's NPI number is 1396897856. It was assigned on January 17, 2007, and it is active in the NPI Registry.
What does Nathan Diegelman specialize in?
Nathan Diegelman is a counseling psychologist in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Counseling Psychologist (taxonomy code 103TC1900X).
Where does Nathan Diegelman practice?
Nathan Diegelman practices at 875 Greentree Rd, Pittsburgh, PA 15220. Nathan Diegelman's primary practice is Quest Diagnostics of Pennsylvania, Inc. in Pittsburgh, Pennsylvania. Dmand AI also links Nathan Diegelman to 1 medical group.
What is Nathan Diegelman's office phone number?
The practice phone on file for Nathan Diegelman is (800) 295-6598.
What is Nathan Diegelman's medical license number?
Nathan Diegelman holds New York license 016721-1.
What medical group is Nathan Diegelman part of?
Nathan Diegelman is linked to Kaleida Health. Dmand AI links Nathan Diegelman to 1 more medical group.
How long has Nathan Diegelman been practicing?
Nathan Diegelman's NPI was assigned in 2007.
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